The Cadillac ATS, which stands for Alpha Touring Sedan, was a compact executive car produced by General Motors and marketed by Cadillac from 2012 to 2019. Available in both four-door sedan and two-door coupé body styles, it represented Cadillac's entry into the entry-level premium car segment in the United States since the Cimarron. In Europe, it succeeded the Cadillac BLS. The development of the Cadillac ATS took place at the General Motors Technical Center in Michigan, with assembly done at the Lansing Grand River Assembly plant in Lansing.
The ATS was built on General Motors' Alpha platform and was offered in both rear-wheel and all-wheel drive configurations. Initially, the base engine was a 2.5-liter I-4